itserasmus

12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Abundant Numbers (Long)

Arabic to Roman

Arrows

ASCII Table

Christmas Trees

Collatz

Diamonds

Divisors

Emojify

Evil Numbers

Farey Sequence

Fibonacci

Fizz Buzz

Foo Fizz Buzz Bar

Forsyth–Edwards Notation

Fractions

Game of Life

Happy Numbers

Happy Numbers (Long)

Inventory Sequence

ISBN

Leap Years

Niven Numbers

Number Spiral

Quine